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Database: 189760 (18 Oct 2025)
CJJT291-2019 English PDF
Standard ID
Contents [version]
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Standard Title (Description)
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PDF
CJJ/T 291-2019
English
1679
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Standard for engineering investigation of ground - source heat pump system
Valid
CJJ/T 291-2019
PDF similar to CJJT291-2019
Standard similar to CJJT291-2019
GB/T 21087
CJ/T 395
GB 25034
CJ/T 246
CJ/T 515
CJ/T 179
Basic data
Standard ID
CJJ/T 291-2019 (CJJ/T291-2019)
Description (Translated English)
(Ground source heat pump system engineering survey standard)
Sector / Industry
Urban Construction Industry Standard (Recommended)
Word Count Estimation
73,784
Date of Issue
2019-04-19
Date of Implementation
2019-11-01
Drafting Organization
Construction Comprehensive Survey Research and Design Institute Co., Ltd.
Regulation (derived from)
Natural Resources Department Announcement No. 7 of 2019